US Patent No. 10,658,650

SECONDARY BATTERY


Patent No. 10,658,650
Issue Date May 19, 2020
Title Secondary Battery
Inventorship Koji Shibutani, Fukushima (JP)
Takaaki Matsui, Fukushima (JP)
Assignee MURATA MANUFACTURING CO., LTD., Kyoto (JP)

Claim of US Patent No. 10,658,650

1. A secondary battery, comprising:a laminated electrode body including a positive electrode member, a negative electrode member, a separator provided between the positive electrode member and the negative electrode member, a positive electrode lead portion, and a suppressing member being configured to suppress a movement of the separator, wherein
the positive electrode member includes a positive electrode active material layer formed on a positive electrode current collector,
the positive electrode lead portion attached to the positive electrode current collector, and
the suppressing member is disposed between the positive electrode lead portion and the separator, between a first portion of the positive electrode current collector positioned in vicinity of the positive electrode lead portion and the separator, and between a second portion of the positive electrode active material layer adjacent to the first portion and the separator, respectively.